Observed and urbanization-adjusted annual maximum peak discharge and associated urban fraction and precipitation values at USGS streamgage:
05544200 MUKWONAGO RIVER AT MUKWONAGO, WI

Observed annual peak-flood magnitudes were adjusted to 2010 land-use conditions on the basis of panel data regression model with fixed effect analysis.  The symbols presented in the figure are: "observed annual peaks", "adjusted annual peaks", and   "fraction of urbanization in the watershed"

Legend for Graph

Water year Segment Discharge code Cumulative reservoir storage (acre-feet) Urban fraction Precipitation (inches) Observed peak discharge (ft3/s) Adjusted peak discharge (ft3/s) Exceedance probability
1974 1 -- 11420 0.088 0.568 292 362 0.245
1977 1 -- 11500 0.103 0.332 140 183 0.735
1978 1 -- 11500 0.108 1.665 235 292 0.397
1979 1 -- 11500 0.113 1.083 274 334 0.300
1980 1 -- 11500 0.118 0.773 184 230 0.588
1981 1 -- 11500 0.122 0.428 219 270 0.459
1982 1 -- 11500 0.125 1.267 225 276 0.442
1983 1 -- 11500 0.129 1.339 173 215 0.635
1984 1 -- 11500 0.133 0.290 145 182 0.737
1985 1 -- 11500 0.137 0.203 209 254 0.506
1986 1 -- 11500 0.140 1.102 278 330 0.308
1987 1 -- 11500 0.144 0.039 201 243 0.543
1988 1 -- 11500 0.148 0.155 165 201 0.676
1989 1 -- 11500 0.151 1.676 240 286 0.416
1990 1 -- 11500 0.155 0.638 261 308 0.361
1991 1 5 11500 0.165 0.891 193 229 0.593
1992 1 5 11500 0.175 1.154 204 239 0.559
1993 1 5 11500 0.185 1.657 268 306 0.364
1994 1 5 11500 0.194 0.918 199 228 0.596
1995 1 5 11500 0.204 1.577 210 237 0.562
1996 1 5 11500 0.214 1.656 224 250 0.520
1997 1 5 11500 0.224 1.613 270 296 0.388
1998 1 5 11500 0.234 0.549 130 145 0.837
1999 1 5 11500 0.244 1.810 236 255 0.505
2000 1 5 11500 0.253 2.091 200 214 0.636
2001 1 5 11500 0.259 0.015 200 213 0.641
2002 1 5 11500 0.265 1.058 172 183 0.736
2003 1 5 11500 0.271 0.861 170 179 0.746
2004 1 5 11500 0.277 1.887 240 250 0.522
2005 1 5 11500 0.283 0.938 241 249 0.524
2006 1 5 11500 0.288 1.055 238 244 0.539
2007 1 5 11500 0.294 1.692 317 323 0.325
2008 1 5 11500 0.300 1.539 364 368 0.234
2009 1 5 11500 0.306 1.304 271 273 0.452